CN108449707A - Wearable device and its localization method - Google Patents
Wearable device and its localization method Download PDFInfo
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- CN108449707A CN108449707A CN201810190876.5A CN201810190876A CN108449707A CN 108449707 A CN108449707 A CN 108449707A CN 201810190876 A CN201810190876 A CN 201810190876A CN 108449707 A CN108449707 A CN 108449707A
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- wearable device
- information
- base station
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- position enquiring
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/02—Services making use of location information
- H04W4/025—Services making use of location information using location based information parameters
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/02—Services making use of location information
- H04W4/029—Location-based management or tracking services
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
- H04W52/02—Power saving arrangements
- H04W52/0209—Power saving arrangements in terminal devices
- H04W52/0225—Power saving arrangements in terminal devices using monitoring of external events, e.g. the presence of a signal
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W64/00—Locating users or terminals or network equipment for network management purposes, e.g. mobility management
- H04W64/006—Locating users or terminals or network equipment for network management purposes, e.g. mobility management with additional information processing, e.g. for direction or speed determination
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
Abstract
Wearable device and its localization method proposed by the present invention, by being compared to wearable device interior for a period of time movement state information and network state information, judge whether to vary widely, the location information that last time obtains is sent to server if without large change.In the case of the not big variation of current motion state information and current network state information that wearable device monitors, big change does not occur for the position that can estimate wearable device.Therefore, in the case where children under guardianship do not generate the shift in position of relatively large distance, wearable device need not start GPS or WIFI, and equipment power dissipation will substantially reduce.
Description
Technical field
The present invention relates to wearable device field, a kind of wearable device and its localization method are especially related to.
Background technology
In recent years, with the fast development of science and technology, the speed that wearable device updates is very fast, can provide production
Product function is also continuously increased.And increased product function often increases device systems power consumption, reduces the cruise duration of equipment.
In wearable product, positioning is a critically important function.For example, children's wrist-watch, in order to obtain accurate position
Confidence ceases, and GPS positioning, WIFI positioning functions are also introduced other than the base station location of itself.But both station-keeping mode work(
Consume relatively high, this is a very stubborn problem for the wearing product of the universal very little of battery capacity.
Most of wearable product with accurate positioning function on the market, universal cruise duration is partially short, seriously affects user
Usage experience.
Invention content
The main object of the present invention is to provide a kind of wearable device and its localization method, reduces positioning and uses power consumption, increases
Long equipment cruise duration.
The present invention proposes a kind of localization method of wearable device, including：
Wearable device obtains the current motion state information of the wearable device and current according to position enquiring instruction
Network state information；
The current motion state information is compared with the first movement state information obtained when a preceding position enquiring
Compared with acquisition motion state change information judges whether the motion state change information meets predetermined movement status condition；With
And be compared the current network state information with the first network state information obtained when a preceding position enquiring, it obtains
Network state change information is obtained, judges whether the network state change information meets default network state condition；
If eligible, the location information got when a preceding position enquiring is exported.
Preferably, the wearable device obtains the current motion state of the wearable device according to position enquiring instruction
The step of information includes：
Wearable device obtains the current step Numerical that the wearable device detects according to position enquiring instruction.
Preferably, the first motion state that the current motion state information and a when preceding position enquiring are obtained
Information is compared, and is obtained motion state change information, is judged whether the motion state change information meets predetermined movement shape
The step of state condition includes：
The current step Numerical is compared with the first step Numerical obtained when a preceding position enquiring, it is poor to obtain step number
Value, judges whether the step number difference is less than default step number threshold value；
If the step number difference is less than the default step number threshold value, it is determined that the motion state variation meets predetermined movement
Status condition.
Preferably, the wearable device obtains the current network state of the wearable device according to position enquiring instruction
The step of information includes：
Wearable device obtains the current base station number and base that the wearable device monitors according to position enquiring instruction
Station identifications ID.
Preferably, the first network state that the current network state information and a when preceding position enquiring are obtained
Information is compared, and obtains network state change information, it is default network-like to judge whether the network state change information meets
The step of state condition, including：
The first number of base stations obtained when by the number of base stations and Base Station Identification ID and a preceding position enquiring and base station
Mark ID is compared, and judges that whether same base identifies ID number not less than default base station number threshold value；
If the same base, which identifies ID number, is not less than the default base station number threshold value, it is determined that the network state
Change information meets default network state condition.
Preferably, the first motion state that the current motion state information and a when preceding position enquiring are obtained
Information is compared, and is obtained motion state change information, is judged whether the motion state change information meets predetermined movement shape
After the step of state condition, further include：
If it is not, then starting locating module obtains current location information.
Preferably, the step of output first location information, including：
The first location information is sent to server.
Preferably, the step of location information got when the preceding position enquiring of transmission to server, including：
GPS data, WiFi ID, the Base Station Identification ID that the wearable device has previously detected are sent to server.
Preferably, described that the GPS data, WiFiID, base station that the wearable device has previously detected are sent to server
After the step of identifying ID, further include：
By GPS data, WiFiID, Base Station Identification ID described in the server process, where obtaining wearable device
Precise position information；
The precise position information is sent to monitoring terminal by the server.
Another aspect of the present invention, it is also proposed that a kind of wearable device, including：
Information module is obtained, the current motion state information for obtaining the wearable device according to position enquiring instruction
With current network state information；
First judgment module, the first fortune obtained when for by the current motion state information and a preceding position enquiring
Dynamic status information is compared, and obtains motion state change information, it is default to judge whether the motion state change information meets
Motion state condition；
Second judgment module, the first net obtained when for by the current network state information and a preceding position enquiring
Network status information is compared, and obtains network state change information, it is default to judge whether the network state change information meets
Network state condition；
If output module exports the location information got when a preceding position enquiring for eligible.
Preferably, the acquisition information module includes：
Step number unit is obtained, for obtaining the current step number that the wearable device detects according to position enquiring instruction
Value.
Preferably, first judgment module includes：
Step number comparing unit, first step Numerical for obtaining the current step Numerical and a when preceding position enquiring into
Row compares, and obtains step number difference, judges whether the step number difference is less than default step number threshold value；
Motion state judging unit, if being less than the default step number threshold value for the step number difference, it is determined that the fortune
Dynamic state change meets predetermined movement status condition.
Preferably, the acquisition information module includes：
Base Station Identification ID and number unit are obtained, is monitored for obtaining the wearable device according to position enquiring instruction
Number of base stations and Base Station Identification ID.
Preferably, second judgment module includes：
Base station comparing unit, for by the number of base stations and Base Station Identification ID with obtained when a preceding position enquiring
First number of base stations and Base Station Identification ID are compared, and judge that whether same base identifies ID number not less than default base station number threshold
Value；
Network state judging unit, if identifying ID number for the same base is not less than the default base station number threshold
Value, it is determined that the network state change information meets default network state condition.
Preferably, further include：
Locating module starts locating module and obtains current location if ineligible for first judgment module
Information.
Preferably, the output module includes：
Transmission unit, for sending the first location information to server.
Preferably, the transmission unit includes：
Transmission sub-unit, for server send the GPS data that the wearable device has previously detected, WiFi ID,
Base Station Identification ID.
Preferably, the output module further includes：
Data processing unit, for by GPS data, WiFiID, Base Station Identification ID described in the server process, obtaining
Precise position information where wearable device；
Result unit is sent, the precise position information is sent to monitoring terminal for passing through the server.
Wearable device and its localization method proposed by the present invention, by wearable device current fortune interior for a period of time
Dynamic status information and current network state information are compared, and judge whether to vary widely, will be upper if without large change
The location information of secondary acquisition is sent to server.The current motion state information and current network shape monitored in wearable device
In the case of the not big variation of state information, big change does not occur for the position that can estimate wearable device.Therefore, in quilt
In the case that guardian does not generate the shift in position of relatively large distance, wearable device need not start GPS or WIFI, equipment
Power consumption will substantially reduce.
Description of the drawings
Fig. 1 is the flow diagram of one embodiment of localization method of wearable device of the present invention；
Fig. 2 is the structural schematic diagram of one embodiment of wearable device of the present invention.
The embodiments will be further described with reference to the accompanying drawings for the realization, the function and the advantages of the object of the present invention.
Specific implementation mode
It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, it is not intended to limit the present invention.
Referring to Fig.1, the embodiment of the present invention proposes a kind of localization method of wearable device, including：
S10, wearable device according to position enquiring instruction obtain the wearable device current motion state information and
Current network state information；
S20, the first movement state information for obtaining the current motion state information and a when preceding position enquiring into
Row compares, and obtains motion state change information, judges whether the motion state change information meets predetermined movement status condition；
And be compared the current network state information with the first network state information obtained when a preceding position enquiring,
Network state change information is obtained, judges whether the network state change information meets default network state condition；
If S30, eligible, the location information got when a preceding position enquiring is exported.
Wearable device is directly worn, or is integrated into the clothes of user or a kind of portable device of accessory.
Wearable device mostly exists in the form of having part computing function, can connect the portable accessory of mobile phone and each Terminal Type, mainstream
Product form include with wrist be support watch classes (including the products such as wrist-watch and wrist strap), with foot be support shoes classes
(including wearable product on other legs of shoes, socks or future), with head be support Glass classes (including glasses, the helmet,
Headband etc.) and all kinds of non-mainstream product form such as intelligent clothing, school bag, crutch, accessories.
In the present embodiment, wearable device has accurate positioning function.Wearable device can refer to guardian to obtain
The equipment worn by guardianship exact position.Include but not limited to children, old man, other incompetence by guardianship
Individual, pet.Since wearable device is worn on by with guardianship, so position where wearable device and being supervised
The position of shield object is consistent.
In step S10, position enquiring instruction is mainly used for inquiring by the position of guardianship, you can wearable device it is accurate
Position.Position enquiring instruction can the monitoring terminal used in guardian sent out.Monitoring terminal can be smart mobile phone or
Tablet computer.Movement state information refers to the exercise data that motion sensor is monitored on wearable device.Obtain movement shape
State information is to judge whether wearable device produces larger displacement.Network state information refers to being penetrated on wearable device
The network status data that frequency module is monitored.It is to judge the network rings where wearable device to obtain network state information
Big change occurs for border, especially base station data, to judge whether wearable device produces larger displacement.
The last related data for obtaining location information, including first position are had recorded in step S20, on wearable device
Information and corresponding first movement state information.Compared by current motion state information and first movement state information
Compared with judging whether the motion state of wearable device larger variation occurs.If the motion state of wearable device is more than pre-
If motion state threshold value, then illustrate that wearing wearable device is made that a certain amount of movement by guardianship, may with it is original
Position is relatively far apart.
First network state information when last acquisition location information is also recorded on wearable device.Pass through current net
Network status information is compared with first network state information, judges whether the network environment of wearable device larger change occurs
Change.Network state information herein generally refers to the Base Station Identification ID and quantity that wearable device monitors.If wearable
Monitoring of equipment to Base Station Identification ID and quantity vary widely, then illustrate that larger displacement has occurred in wearable device.
In step S30, if changed without big motion state by guardianship, and the network environment where it is substantially constant,
Then illustrate wearable device position without big variation.At this point it is possible to which the first location information that last time obtains is sent to clothes
Business device, responds position inquiry instruction.Since the position of wearable device is without big change, equipment then be used directly first position letter
Breath does not have to enable locating module, achievees the purpose that quickly to position and reduce power consumption.
Optionally, the wearable device obtains the current motion state of the wearable device according to position enquiring instruction
The step of information includes：
Wearable device obtains the current step Numerical that the wearable device detects according to position enquiring instruction.
In the present embodiment, current motion state information is the step Numerical that wearable device detects.It can be in wearable device
Middle setting accelerometer, for measuring step Numerical.When receiving position enquiring instruction, wearable device, which can be obtained and be recorded, works as
Preceding step Numerical.
Optionally, the first motion state that the current motion state information and a when preceding position enquiring are obtained
Information is compared, and is obtained motion state change information, is judged whether the motion state change information meets predetermined movement shape
The step of state condition includes：
The current step Numerical is compared with the first step Numerical obtained when a preceding position enquiring, it is poor to obtain step number
Value, judges whether the step number difference is less than default step number threshold value；
If the step number difference is less than the default step number threshold value, it is determined that the motion state variation meets predetermined movement
Status condition.
In the present embodiment, when current motion state information is the step Numerical that wearable device detects, wearable device will
The step Numerical of current step Numerical and last detection record subtracts each other, calculating difference.Then compare difference and default step number threshold value
Size.If difference is less than default step number threshold value, illustrate only to be moved in a small range by guardianship, location is substantially not
Become.If difference is greater than or equal to default step number threshold value, illustrate only to be moved in wide range by guardianship, location hair
Raw large change, needs to reacquire its position.
Optionally, the wearable device obtains the current network state of the wearable device according to position enquiring instruction
The step of information includes：
Wearable device obtains the current base station number and base that the wearable device monitors according to position enquiring instruction
Station identifications ID.
In the present embodiment, whether wearable device also judges wearable device by the network environment where monitoring device
Displacement has occurred.For example, when being in the mobile vehicles by guardianship, motion sensor is unable to monitor and is guarded
The displacement information of object.The network environment monitored residing for wearable device at this time is just quite important.Since each base station has certainly
Oneself is specific ID, and the Base Station Identification ID and number monitored in different location can be differed.It can be marked according to the base station monitored
Know ID and number is different, to judge whether had left original position by guardianship.
Optionally, the first network state that the current network state information and a when preceding position enquiring are obtained
Information is compared, and obtains network state change information, it is default network-like to judge whether the network state change information meets
The step of state condition, including：
The first number of base stations obtained when by the number of base stations and Base Station Identification ID and a preceding position enquiring and base station
Mark ID is compared, and judges that whether same base identifies ID number not less than default base station number threshold value；
If the same base, which identifies ID number, is not less than the default base station number threshold value, it is determined that the network state
Change information meets default network state condition.
In the present embodiment, wearable device is different according to the Base Station Identification ID and number that monitor, to judge to be guarded pair
As if no have left original position.For example, wearable device it is upper it is primary monitor 3 base station signals, respectively base station A,
Base station B, base station C, and in the currently monitored to 3 base station signals, respectively base station A, base station B, base station D.Default base station number threshold
Value is 3, due to identical ID base station only there are two, illustrate still to be had occurred bigger position by guardianship and moves, can wear
Equipment is worn to need to reacquire location information.
Optionally, the first motion state that the current motion state information and a when preceding position enquiring are obtained
Information is compared, and is obtained motion state change information, is judged whether the motion state change information meets predetermined movement shape
After the step of state condition, further include：
If it is not, then starting locating module obtains current location information.
In the present embodiment, difference of the current motion state information compared with first movement state information is more than predetermined movement shape
State threshold value then illustrates that the location of wearable device is varied widely, and wearable device needs to reacquire correct
Location information.At this point, wearable device enables locating module, corresponding GPS data, WiFi ID, Base Station Identification ID are obtained.
Optionally, the step of location information got when a position enquiring before the output, including：
The location information got when sending a preceding position enquiring to server.
In the present embodiment, difference of the current motion state information compared with first movement state information is less than predetermined movement shape
State threshold value, and when the difference of current network state information and first network state information is not less than default network state threshold value, it can
To think that the position where wearable device and the position of last time inquiry are identical, at this point, wearable device will obtain last time
The first location information taken is sent to server.
Optionally, the step of location information got when the preceding position enquiring of transmission to server, including：
GPS data, WiFi ID, the Base Station Identification ID that the wearable device has previously detected are sent to server.
In the present embodiment, wearable device is provided with GPS module, WiFi module and wireless module, can detect simultaneously corresponding
GPS data, WiFi ID and Base Station Identification ID.Wearable device to server send the last GPS data detected,
WiFi ID, Base Station Identification ID.That is, wearable device directly directly passes the location information of last positioning time node
To server, the speed of positioning is accelerated in this way, while reducing the use power consumption of equipment.
Optionally, described that the GPS data, WiFiID, base station that the wearable device has previously detected are sent to server
After the step of identifying ID, further include：
By GPS data, WiFiID, Base Station Identification ID described in the server process, where obtaining wearable device
Precise position information；
The precise position information is sent to monitoring terminal by the server.
In the present embodiment, GPS data that server uploads wearable device, WiFi ID, Base Station Identification ID are solved
Analysis obtains the precise position information residing for wearable device.Then precise position information is sent to the monitoring terminal of guardian.
In this way, guardian can view by the exact position of guardianship, to realize to by the monitoring responsibility of guardianship.
The localization method of wearable device proposed by the present invention, by wearable device motion state interior for a period of time
Information and network state information are compared, and judge whether to vary widely, the position for obtaining last time if without large change
Confidence breath is sent to server.The not big variation of the movement state information and network state information that are monitored in wearable device
In the case of, big change does not occur for the position that can estimate wearable device.Therefore, it is not generated in children under guardianship larger
In the case of the shift in position of distance, wearable device need not start GPS or WIFI, and equipment power dissipation will substantially reduce.
With reference to Fig. 2, the embodiment of the present invention also proposed a kind of wearable device, including：
Information module 10 is obtained, the current motion state for obtaining the wearable device according to position enquiring instruction is believed
Breath and current network state information；
First judgment module 20 obtains first when for by the current motion state information with a preceding position enquiring
Movement state information is compared, and obtains motion state change information, it is pre- to judge whether the motion state change information meets
If motion state condition；
Second judgment module 30 obtains first when for by the current network state information with a preceding position enquiring
Network state information is compared, and obtains network state change information, it is pre- to judge whether the network state change information meets
If network state condition；
If output module 40 exports the location information got when a preceding position enquiring for eligible.
Wearable device is directly worn, or is integrated into the clothes of user or a kind of portable device of accessory.
Wearable device mostly exists in the form of having part computing function, can connect the portable accessory of mobile phone and each Terminal Type, mainstream
Product form include with wrist be support watch classes (including the products such as wrist-watch and wrist strap), with foot be support shoes classes
(including wearable product on other legs of shoes, socks or future), with head be support Glass classes (including glasses, the helmet,
Headband etc.) and all kinds of non-mainstream product form such as intelligent clothing, school bag, crutch, accessories.
In the present embodiment, wearable device has accurate positioning function.Wearable device can refer to guardian to obtain
The equipment worn by guardianship exact position.Include but not limited to children, old man, other incompetence by guardianship
Individual, pet.Since wearable device is worn on by with guardianship, so position where wearable device and being supervised
The position of shield object is consistent.
It obtains in information module 10, position enquiring instruction is mainly used for inquiring by the position of guardianship, you can wearing is set
Standby exact position.Position enquiring instruction can the monitoring terminal used in guardian sent out.Monitoring terminal can be intelligence
It can mobile phone or tablet computer.Movement state information refers to the exercise data that motion sensor is monitored on wearable device.It obtains
It is to judge whether wearable device produces larger displacement to take movement state information.Network state information refers to wearable
The network status data that radio-frequency module is monitored in equipment.It is to judge wearable device place to obtain network state information
Network environment, big change occurs for especially base station data, to judge whether wearable device produces larger displacement.
In first judgment module 20, the last related data for obtaining location information is had recorded on wearable device, including
First location information and corresponding first movement state information.Believed by current motion state information and first motion state
Breath is compared, and judges whether the motion state of wearable device larger variation occurs.If the movement shape of wearable device
State is more than predetermined movement state threshold, then illustrate wearing wearable device is made that a certain amount of movement by guardianship, can
It can be with original position relatively far apart.
In second judgment module 30, the last related data for obtaining location information is had recorded on wearable device, including
First location information and corresponding first network state information.Believed by current network state information and first network state
Breath is compared, and judges whether the network environment of wearable device larger variation occurs.Network state information herein is main
Refer to the Base Station Identification ID and quantity that wearable device monitors.If Base Station Identification ID and number that wearable device monitors
Amount varies widely, then illustrates that larger displacement has occurred in wearable device.
In output module 40, if changed without big motion state by guardianship, and the network environment where it is substantially not
Become, then illustrates wearable device position without big variation.At this point it is possible to which the first location information that last time obtains is sent to
Server responds position inquiry instruction.Since the position of wearable device is without big change, equipment then be used directly first position
Information does not have to enable locating module, achievees the purpose that quickly to position and reduce power consumption.
Optionally, the acquisition information module 10 includes：
Step number unit is obtained, for obtaining the current step number that the wearable device detects according to position enquiring instruction
Value.
In the present embodiment, current motion state information is the step Numerical that wearable device detects.It can be in wearable device
Middle setting accelerometer, for measuring step Numerical.When receiving position enquiring instruction, wearable device, which can be obtained and be recorded, works as
Preceding step Numerical.
Optionally, first judgment module 20 includes：
Step number comparing unit, first step Numerical for obtaining the current step Numerical and a when preceding position enquiring into
Row compares, and obtains step number difference, judges whether the step number difference is less than default step number threshold value；
Motion state judging unit, if being less than the default step number threshold value for the step number difference, it is determined that the fortune
Dynamic state change meets predetermined movement status condition.
In the present embodiment, when movement state information is the step Numerical that wearable device detects, wearable device will work as
The step Numerical of preceding step Numerical and last detection record subtracts each other, calculating difference.Then compare difference and default step number threshold value
Size.If difference is less than default step number threshold value, illustrate only to be moved in a small range by guardianship, location is substantially not
Become.If difference is greater than or equal to default step number threshold value, illustrate only to be moved in wide range by guardianship, location hair
Raw large change, needs to reacquire its position.
Optionally, the acquisition information module 10 includes：
Base Station Identification ID and number unit are obtained, is monitored for obtaining the wearable device according to position enquiring instruction
Number of base stations and Base Station Identification ID.
In the present embodiment, whether wearable device also judges wearable device by the network environment where monitoring device
Displacement has occurred.For example, when being in the mobile vehicles by guardianship, motion sensor is unable to monitor and is guarded
The displacement information of object.The network environment monitored residing for wearable device at this time is just quite important.Since each base station has certainly
Oneself is specific ID, and the Base Station Identification ID and number monitored in different location can be differed.It can be marked according to the base station monitored
Know ID and number is different, to judge whether had left original position by guardianship.
Optionally, second judgment module 30 includes：
Base station comparing unit, for by the number of base stations and Base Station Identification ID with it is first corresponding to first location information
Number of base stations and Base Station Identification ID are compared, and judge that whether same base identifies ID number not less than default base station number threshold
Value；
Network state judging unit, if identifying ID number for the same base is not less than the default base station number threshold
Value, it is determined that the network state change information meets default network state condition
In the present embodiment, wearable device is different according to the Base Station Identification ID and number that monitor, to judge to be guarded pair
As if no have left original position.For example, wearable device it is upper it is primary monitor 3 base station signals, respectively base station A,
Base station B, base station C, and in the currently monitored to 3 base station signals, respectively base station A, base station B, base station D.Default base station number threshold
Value is 3, due to identical ID base station only there are two, illustrate still to be had occurred bigger position by guardianship and moves, can wear
Equipment is worn to need to reacquire location information.
Optionally, further include：
Locating module starts locating module and obtains current location if ineligible for first judgment module
Information.
In the present embodiment, difference of the current motion state information compared with first movement state information is more than predetermined movement shape
State threshold value then illustrates that the location of wearable device is varied widely, and wearable device needs to reacquire correct
Location information.At this point, wearable device enables locating module, corresponding GPS data, WiFi ID, Base Station Identification ID are obtained.
Optionally, the output module 40 includes：
Transmission unit, the location information got when for sending a preceding position enquiring to server.
In the present embodiment, difference of the current motion state information compared with first movement state information is less than predetermined movement shape
State threshold value, and when the difference of current network state information and first network state information is not less than default network state threshold value, it can
To think that the position where wearable device and the position of last time inquiry are identical.At this point, wearable device will obtain last time
The first location information taken is sent to server.
Optionally, the transmission unit includes：
Transmission sub-unit, for server send the GPS data that the wearable device has previously detected, WiFi ID,
Base Station Identification ID.
In the present embodiment, wearable device is provided with GPS module, WiFi module and wireless module, can detect simultaneously corresponding
GPS data, WiFi ID and Base Station Identification ID.Wearable device to server send the last GPS data detected,
WiFi ID, Base Station Identification ID.That is, wearable device directly directly passes the location information of last positioning time node
To server, the speed of positioning is accelerated in this way, while reducing the use power consumption of equipment.
Optionally, the output module 40 further includes：
Data processing unit, for by GPS data, WiFiID, Base Station Identification ID described in the server process, obtaining
Precise position information where wearable device；
Result unit is sent, the precise position information is sent to monitoring terminal for passing through the server.
In the present embodiment, GPS data that server uploads wearable device, WiFi ID, Base Station Identification ID are solved
Analysis obtains the precise position information residing for wearable device.Then precise position information is sent to the monitoring terminal of guardian.
In this way, guardian can view by the exact position of guardianship, to realize to by the monitoring responsibility of guardianship.
Wearable device proposed by the present invention, by wearable device interior for a period of time movement state information and network
Status information is compared, and judges whether to vary widely, and the location information for obtaining last time if without large change is sent
To server.In the case of the not big variation of the movement state information and network state information that are monitored in wearable device,
Big change does not occur for the position that can estimate wearable device.Therefore, the position of relatively large distance is not generated in children under guardianship
In the case of setting variation, wearable device need not start GPS or WIFI, and equipment power dissipation will substantially reduce.
Example the above is only the implementation of the present invention is not intended to restrict the invention, for those skilled in the art
For member, the invention may be variously modified and varied.Any modification made by all within the spirits and principles of the present invention,
Equivalent replacement, improvement etc., should be included within scope of the presently claimed invention.
Claims (10)
1. a kind of localization method of wearable device, which is characterized in that including：
Wearable device obtains the current motion state information and current network of the wearable device according to position enquiring instruction
Status information；
The current motion state information is compared with the first movement state information obtained when a preceding position enquiring, is obtained
Motion state change information is obtained, judges whether the motion state change information meets predetermined movement status condition；And by institute
It states current network state information and is compared with the first network state information obtained when a preceding position enquiring, obtained network-like
State change information, judges whether the network state change information meets default network state condition；
If eligible, the location information got when a preceding position enquiring is exported.
2. the localization method of wearable device according to claim 1, which is characterized in that the wearable device is according to position
Setting the step of inquiry instruction obtains the current motion state information of the wearable device includes：
Wearable device obtains the current step Numerical that the wearable device detects according to position enquiring instruction.
3. the localization method of wearable device according to claim 2, which is characterized in that described by the current kinetic shape
State information is compared with the first movement state information obtained when a preceding position enquiring, obtains motion state change information,
Judge that the step of whether the motion state change information meets predetermined movement status condition includes：
The current step Numerical is compared with the first step Numerical obtained when a preceding position enquiring, obtains step number difference,
Judge whether the step number difference is less than default step number threshold value；
If the step number difference is less than the default step number threshold value, it is determined that the motion state variation meets predetermined movement state
Condition.
4. the localization method of wearable device according to claim 1, which is characterized in that the wearable device is according to position
Setting the step of inquiry instruction obtains the current network state information of the wearable device includes：
Wearable device obtains the current base station number and base station mark that the wearable device monitors according to position enquiring instruction
Know ID.
5. the localization method of wearable device according to claim 4, which is characterized in that described by the current network shape
State information is compared with the first network state information obtained when a preceding position enquiring, obtains network state change information,
Judge the step of whether the network state change information meets default network state condition, including：
The first number of base stations obtained when by the current base station number and Base Station Identification ID and a preceding position enquiring and base station
Mark ID is compared, and judges that whether same base identifies ID number not less than default base station number threshold value；
If the same base, which identifies ID number, is not less than the default base station number threshold value, it is determined that the network state variation
Information meets default network state condition.
6. a kind of wearable device, which is characterized in that including：
Information module is obtained, for obtaining the current motion state information of the wearable device according to position enquiring instruction and working as
Preceding network state information；
First judgment module, the first movement shape obtained when for by the current motion state information and a preceding position enquiring
State information is compared, and is obtained motion state change information, is judged whether the motion state change information meets predetermined movement
Status condition；
Second judgment module, for by the current network state information with obtained when a preceding position enquiring it is first network-like
State information is compared, and is obtained network state change information, is judged whether the network state change information meets default network
Status condition；
If output module exports the location information got when a preceding position enquiring for eligible.
7. wearable device according to claim 6, which is characterized in that the acquisition information module includes：
Step number unit is obtained, for obtaining the current step Numerical that the wearable device detects according to position enquiring instruction.
8. wearable device according to claim 7, which is characterized in that first judgment module includes：
Step number comparing unit, for comparing the current step Numerical with the first step Numerical obtained when a preceding position enquiring
Compared with acquisition step number difference judges whether the step number difference is less than default step number threshold value；
Motion state judging unit, if being less than the default step number threshold value for the step number difference, it is determined that the movement shape
State variation meets predetermined movement status condition.
9. wearable device according to claim 6, which is characterized in that the acquisition information module includes：
Base Station Identification ID and number unit are obtained, for obtaining the base that the wearable device monitors according to position enquiring instruction
Number of standing and Base Station Identification ID.
10. wearable device according to claim 9, which is characterized in that second judgment module includes：
Base station comparing unit, for by the current base station number and Base Station Identification ID with obtained when a preceding position enquiring
First number of base stations and Base Station Identification ID are compared, and judge that whether same base identifies ID number not less than default base station number threshold
Value；
Network state judging unit, if identifying ID number for the same base is not less than the default base station number threshold value,
Then determine that the network state change information meets default network state condition.
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